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Finding the Fourth Proportional to 3,670,227.70, 5,148,947.60 and 3,670,227.70

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Solution

The fourth proportional to 3,670,227.70, 5,148,947.60 and 3,670,227.70 is: 5,148,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,227.70 : 5,148,947.60 = 3,670,227.70 : x
  2. Step 2: Convert to fraction form
    3,670,227.70/5,148,947.60 = 3,670,227.70/x
  3. Step 3: Cross multiply
    3,670,227.70x = 5,148,947.60 × 3,670,227.70
  4. Step 4: Simplify right side
    3,670,227.70x = 18,897,810,107,368.52
  5. Step 5: Solve for x
    x = 18,897,810,107,368.52/3,670,227.70
  6. Step 6: Final answer
    x = 5,148,947.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.